generic: rtl836x: add hw_reset field to struct rtl8366_smi
It will be used to start/stop the switch if that is supported by the given board. SVN-Revision: 32943
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commit
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7 changed files with 35 additions and 2 deletions
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@ -308,6 +308,19 @@ int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data)
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}
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EXPORT_SYMBOL_GPL(rtl8366_smi_rmwr);
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static int rtl8366_reset(struct rtl8366_smi *smi)
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{
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if (smi->hw_reset) {
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smi->hw_reset(true);
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msleep(25);
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smi->hw_reset(false);
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msleep(25);
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return 0;
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}
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return smi->ops->reset_chip(smi);
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}
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static int rtl8366_mc_is_used(struct rtl8366_smi *smi, int mc_index, int *used)
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{
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int err;
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@ -938,7 +951,7 @@ int rtl8366_sw_reset_switch(struct switch_dev *dev)
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struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
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int err;
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err = smi->ops->reset_chip(smi);
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err = rtl8366_reset(smi);
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if (err)
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return err;
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@ -1227,6 +1240,13 @@ static int __rtl8366_smi_init(struct rtl8366_smi *smi, const char *name)
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}
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spin_lock_init(&smi->lock);
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/* start the switch */
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if (smi->hw_reset) {
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smi->hw_reset(false);
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msleep(25);
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}
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return 0;
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err_free_sda:
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@ -1237,6 +1257,9 @@ static int __rtl8366_smi_init(struct rtl8366_smi *smi, const char *name)
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static void __rtl8366_smi_cleanup(struct rtl8366_smi *smi)
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{
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if (smi->hw_reset)
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smi->hw_reset(true);
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gpio_free(smi->gpio_sck);
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gpio_free(smi->gpio_sda);
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}
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@ -1300,7 +1323,7 @@ int rtl8366_smi_init(struct rtl8366_smi *smi)
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goto err_free_sck;
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}
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err = smi->ops->reset_chip(smi);
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err = rtl8366_reset(smi);
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if (err)
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goto err_free_sck;
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@ -32,6 +32,7 @@ struct rtl8366_smi {
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struct device *parent;
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unsigned int gpio_sda;
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unsigned int gpio_sck;
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void (*hw_reset)(bool active);
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unsigned int clk_delay; /* ns */
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u8 cmd_read;
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u8 cmd_write;
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@ -1194,6 +1194,8 @@ static int __devinit rtl8366rb_probe(struct platform_device *pdev)
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smi->gpio_sda = pdata->gpio_sda;
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smi->gpio_sck = pdata->gpio_sck;
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smi->hw_reset = pdata->hw_reset;
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smi->clk_delay = 10;
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smi->cmd_read = 0xa9;
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smi->cmd_write = 0xa8;
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@ -1074,6 +1074,8 @@ static int __devinit rtl8366s_probe(struct platform_device *pdev)
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smi->gpio_sda = pdata->gpio_sda;
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smi->gpio_sck = pdata->gpio_sck;
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smi->hw_reset = pdata->hw_reset;
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smi->clk_delay = 10;
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smi->cmd_read = 0xa9;
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smi->cmd_write = 0xa8;
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@ -1692,6 +1692,8 @@ static int __devinit rtl8367_probe(struct platform_device *pdev)
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smi->gpio_sda = pdata->gpio_sda;
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smi->gpio_sck = pdata->gpio_sck;
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smi->hw_reset = pdata->hw_reset;
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smi->clk_delay = 1500;
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smi->cmd_read = 0xb9;
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smi->cmd_write = 0xb8;
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@ -29,6 +29,8 @@ struct rtl8366_initval {
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struct rtl8366_platform_data {
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unsigned gpio_sda;
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unsigned gpio_sck;
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void (*hw_reset)(bool active);
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unsigned num_initvals;
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struct rtl8366_initval *initvals;
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};
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@ -50,6 +50,7 @@ struct rtl8367_extif_config {
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struct rtl8367_platform_data {
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unsigned gpio_sda;
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unsigned gpio_sck;
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void (*hw_reset)(bool active);
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struct rtl8367_extif_config *extif0_cfg;
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struct rtl8367_extif_config *extif1_cfg;
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